# NSN 5331-01-578-6961: O-Ring

NSN 5331-01-578-6961 (also written 5331015786961; NIIN 01-578-6961) is an o-ring in Federal Supply Class 5331, O-Rings. 6 manufacturer part numbers from 6 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5331-01-578-6961 (5331015786961)
- NIIN: 01-578-6961 (015786961)
- Item name: O-RING
- Federal Supply Class: [FSC 5331 O-Rings](https://nsnexplorer.com/fsc/5331/)
- Federal Supply Group: [FSG 53](https://nsnexplorer.com/group/53/)
- Acquisition method suffix code: AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | 2355-01-567-4930 BUFFALO HEAVY MINE PROTECTED CLEARANCE VEHICLE; MRAP RG-33 AUV; MRAP - M-ATV |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 10397524 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 238-5080 | 11083 | CATERPILLAR INC DIV CATERPILLAR DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 238-5080 | ZA045 | WILLIAM ADAMS PTY LTD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2385080 | 78640 | MITSUBISHI CATERPILLAR FORKLIFT AMERICA, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 26KP471 | 45152 | OSHKOSH CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 26KP471 | 75Q65 | OSHKOSH DEFENSE LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-29 | [SPE7LX21D0087/SPE7LX26FBF1G](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015786961) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $5.82 |
| 2026-09-29 | [SPE7LX21D0087/SPE7LX26FBG1Z](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015786961) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $11.64 |
| 2026-09-29 | [SPE7LX21D0087/SPE7LX26FBG2U](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015786961) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $17.46 |
| 2026-09-29 | [SPE7LX21D0087/SPE7LX26FBG4M](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015786961) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $11.64 |
| 2026-09-29 | [SPE7LX21D0087/SPE7LX26FBG8H](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015786961) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $11.64 |
| 2026-09-25 | [SPE7LX21D0087/SPE7LX26FBX51](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015786961) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $5.82 |
| 2026-09-25 | [SPE7LX21D0087/SPE7LX26FBZ08](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015786961) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $5.63 |
| 2026-09-24 | [SPE7LX21D0087/SPE7LX26FBR52](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015786961) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $5.63 |
| 2026-09-24 | [SPE7LX21D0087/SPE7LX26FBT25](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015786961) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $5.82 |
| 2026-09-24 | [SPE7LX21D0087/SPE7LX26FBU36](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015786961) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $5.82 |
| 2026-09-24 | [SPE7LX21D0087/SPE7LX26FBU44](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015786961) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $5.82 |
| 2026-09-24 | [SPE7LX21D0087/SPE7LX26FBU45](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015786961) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $5.82 |
| 2026-09-22 | [SPE7LX21D0087/SPE7LX26FBF45](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015786961) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $5.82 |
| 2026-09-22 | [SPE7LX21D0087/SPE7LX26FBG05](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015786961) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $5.82 |
| 2026-09-22 | [SPE7LX21D0087/SPE7LX26FBG26](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015786961) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $5.82 |
| 2026-09-22 | [SPE7LX21D0087/SPE7LX26FBH16](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015786961) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $5.82 |
| 2026-09-22 | [SPE7LX21D0087/SPE7LX26FBJ41](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015786961) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $5.82 |
| 2026-09-18 | [SPE7LX21D0087/SPE7LX26FBC46](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015786961) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $46.56 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5331015786961&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015786961
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- All data is public U.S. government data; every row above links to its source record where one exists.

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